Total births
355
Girls' name · since 1976
Rhianon
Since 1976, U.S. Social Security records show 355 babies named Rhianon, peaking in 1978. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 355
- total births
- 1976–2008
- years on record
- 1980s
- peak decade
- 40%
- born in that decade
355 girls have been named Rhianon since 1976, though it isn't currently a top-ranked name.
Social Security Administration records show Rhianon recorded 355 times among girls since 1976, though it doesn't currently rank among the most-used girls names, peaking in the 1980s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1976 to 2008.
- 355 total births
- 1976–2008 years on record
- 1980s peak decade
- 40% born in that decade
Data updated Jun 2026
The verdict
355 girls have been named Rhianon since 1976, peaking in the 1980s, last recorded in 2008.
- 355
- total births
- 1976–2008
- years on record
- 1980s
- peak decade
- 40%
- born in that decade
1980s
Peak decade
40% of everyone ever named Rhianon was born in this single decade.
1978
Single peak year
25 babies were named Rhianon in 1978 - its busiest year on record.
Rhianon's usage pattern, beyond the headline number
Divide Rhianon's SSA record in two at 1991 and the more recent half accounts for 42% of all births, the earlier half the remaining 58%, a genuinely balanced usage pattern. Its calmest year was 1997, with only 5 births recorded -- set against the 1978 peak of 25, that's the full swing in one name's fortunes.
Rhianon at a glance
Last recorded 2008Peak year
1978
Current rank
Unranked
Active since
1976
Rhianon popularity over time
Annual U.S. births registered with the Social Security Administration · 1976–2008
- Peak year (1978)
- 25
- Annual births at peak, across 33 years of records
Rhianon by decade
Total births in each ten-year window, peak vs trough at a glance
1980s was Rhianon's strongest decade.
142 babies received the name during that ten-year window, about 40% of all-time use.
Rhianon births by decade
Total births in each ten-year window
- 1970s 54
1970s
54 births
- 1980s
1980s
142 births
- 1990s
1990s
103 births
- 2000s 56
2000s
56 births
What this shows Peak: 1980s at 142 births (40% of all-time use).
Rhianon by state
Where Rhianon concentrates geographically, total births since 1976
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 5 | 1.4% |
California share of Rhianon's total US births 1.4%
5 of 355 births nationwide.
Frequently Asked Questions
How popular is the name Rhianon? ▼
Since 1976, Social Security records show 355 babies named Rhianon. The most recent recorded year was 2008. Its busiest year on record was 1978, with 25 births.
When was Rhianon most popular? ▼
Rhianon was most popular in the 1980s decade with 142 total births. The single peak year was 1978.
Where is Rhianon most popular? ▼
The top states for the name Rhianon are California (5 births).
How long has the name Rhianon been used? ▼
Records for Rhianon go back to 1976, giving 33 years of history through 2008.
What names are similar to Rhianon? ▼
Names with a similar sound or spelling include Rhiannon, Rhianna, Rhiana, Rhiley, and 4 more. These share a common prefix and are also used for girls.
What to do with Rhianon's data
- Rhianon's usage has stayed within range of its 1980s decade-level peak (142 total births) through the 2000s (56) -- a comparatively stable name, not a fading trend.
- California records the most Rhianons (5 births) -- see the full state breakdown if geography matters to your decision. California names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Rhianon
Nearby Names Like Rhianon
Names with a similar sound, spelling, or feel to Rhianon
Rhiannon Girl
#1300 15,539 births
Rhianna Girl
#7369 5,774 births
Rhiana Girl
1,054 births
Rhiley Girl
#5532 921 births
Rhian Girl
#10503 889 births
Compare Rhianon side by side: Rhianon vs Rhiannon Rhianon vs Rhianna Rhianon vs Rhiana
Related Names
Names with a similar number of total births
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1976–2008 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Rhianon: Baby Name Since 1976 - 355 Births, Peak 1978." NameAlmanac. Accessed via https://namealmanac.com/name/rhianon. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Rhianon draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.